Deploying to gh-pages from @ 784c8cb 🚀

Author: be-marc

dev/pkgdown.yml

@@ -2,7 +2,7 @@ pandoc: 3.1.11
 pkgdown: 2.2.0
 pkgdown_sha: ~
 articles: {}
-last_built: 2026-03-04T10:59Z
+last_built: 2026-03-04T14:42Z
 urls:
   reference: https://mlr3mbo.mlr-org.com/reference
   article: https://mlr3mbo.mlr-org.com/articles

dev/reference/AcqFunction.html

@@ -102,6 +102,8 @@ Other Acquisition Function:
 
 - [`AcqFunction$eval_dt()`](#method-AcqFunction-eval_dt)
 
+- [`AcqFunction$assert_surrogate()`](#method-AcqFunction-assert_surrogate)
+
 - [`AcqFunction$clone()`](#method-AcqFunction-clone)
 
 Inherited methods
@@ -126,8 +128,9 @@ the active binding `$surrogate`.
     AcqFunction$new(
       id,
       constants = ParamSet$new(),
-      surrogate,
+      surrogate = NULL,
       requires_predict_type_se,
+      surrogate_class,
       direction,
       packages = NULL,
       label = NA_character_,
@@ -157,6 +160,11 @@ the active binding `$surrogate`.
   Whether the acquisition function requires the surrogate to have `"se"`
   as `$predict_type`.
 
+- `surrogate_class`:
+
+  (`character(1)`)  
+  Allowed class of the surrogate.
+
 - `direction`:
 
   (`"same"` \| `"minimize"` \| `"maximize"`). Optimization direction of
@@ -259,6 +267,31 @@ acquisition functions, e.g. `data.table(y = 1:2)` or
 
 ------------------------------------------------------------------------
 
+### Method `assert_surrogate()`
+
+Validate that the surrogate is compatible with this acquisition
+function. Asserts the surrogate class and that `$predict_type` is `"se"`
+if required. Subclasses with additional requirements must override this
+method.
+
+#### Usage
+
+    AcqFunction$assert_surrogate(surrogate)
+
+#### Arguments
+
+- `surrogate`:
+
+  ([Surrogate](https://mlr3mbo.mlr-org.com/dev/reference/Surrogate.md))  
+  Surrogate to validate.
+
+#### Returns
+
+The validated
+[Surrogate](https://mlr3mbo.mlr-org.com/dev/reference/Surrogate.md).
+
+------------------------------------------------------------------------
+
 ### Method `clone()`
 
 The objects of this class are cloneable with this method.

dev/reference/AcqFunction.md

@@ -87,6 +87,7 @@ Inherited methods
 - [`bbotk::Objective$format()`](https://bbotk.mlr-org.com/reference/Objective.html#method-format)
 - [`bbotk::Objective$help()`](https://bbotk.mlr-org.com/reference/Objective.html#method-help)
 - [`bbotk::Objective$print()`](https://bbotk.mlr-org.com/reference/Objective.html#method-print)
+- [`mlr3mbo::AcqFunction$assert_surrogate()`](https://mlr3mbo.mlr-org.com/dev/reference/AcqFunction.html#method-assert_surrogate)
 - [`mlr3mbo::AcqFunction$eval_dt()`](https://mlr3mbo.mlr-org.com/dev/reference/AcqFunction.html#method-eval_dt)
 - [`mlr3mbo::AcqFunction$eval_many()`](https://mlr3mbo.mlr-org.com/dev/reference/AcqFunction.html#method-eval_many)
 - [`mlr3mbo::AcqFunction$reset()`](https://mlr3mbo.mlr-org.com/dev/reference/AcqFunction.html#method-reset)

dev/reference/mlr_acqfunctions_aei.html

@@ -67,6 +67,7 @@ Inherited methods
 - [`bbotk::Objective$format()`](https://bbotk.mlr-org.com/reference/Objective.html#method-format)
 - [`bbotk::Objective$help()`](https://bbotk.mlr-org.com/reference/Objective.html#method-help)
 - [`bbotk::Objective$print()`](https://bbotk.mlr-org.com/reference/Objective.html#method-print)
+- [`mlr3mbo::AcqFunction$assert_surrogate()`](https://mlr3mbo.mlr-org.com/dev/reference/AcqFunction.html#method-assert_surrogate)
 - [`mlr3mbo::AcqFunction$eval_dt()`](https://mlr3mbo.mlr-org.com/dev/reference/AcqFunction.html#method-eval_dt)
 - [`mlr3mbo::AcqFunction$eval_many()`](https://mlr3mbo.mlr-org.com/dev/reference/AcqFunction.html#method-eval_many)
 - [`mlr3mbo::AcqFunction$reset()`](https://mlr3mbo.mlr-org.com/dev/reference/AcqFunction.html#method-reset)

dev/reference/mlr_acqfunctions_aei.md

@@ -77,6 +77,7 @@ Inherited methods
 - [`bbotk::Objective$format()`](https://bbotk.mlr-org.com/reference/Objective.html#method-format)
 - [`bbotk::Objective$help()`](https://bbotk.mlr-org.com/reference/Objective.html#method-help)
 - [`bbotk::Objective$print()`](https://bbotk.mlr-org.com/reference/Objective.html#method-print)
+- [`mlr3mbo::AcqFunction$assert_surrogate()`](https://mlr3mbo.mlr-org.com/dev/reference/AcqFunction.html#method-assert_surrogate)
 - [`mlr3mbo::AcqFunction$eval_dt()`](https://mlr3mbo.mlr-org.com/dev/reference/AcqFunction.html#method-eval_dt)
 - [`mlr3mbo::AcqFunction$eval_many()`](https://mlr3mbo.mlr-org.com/dev/reference/AcqFunction.html#method-eval_many)
 - [`mlr3mbo::AcqFunction$reset()`](https://mlr3mbo.mlr-org.com/dev/reference/AcqFunction.html#method-reset)